As the decades pass, new generations of people who grew up reading and loving comics reach a point where they want to revisit something they enjoyed when they were young, and finally possess the means to acquire it, said Michael Zapcic. A sort of living comic book encyclopedia who appears on AMC show Comic Book Men, Zapcic helps run Kevin Smith’s store Jay and Silent Bob’s Secret Stash, where he evaluates prized possessions that customers are trying to unload.